The stability theory of stream ciphers / C. Ding, G. Xiao, W. Shan.

By: Ding, C. (Cunsheng), 1962-
Contributor(s): Xiao, G. (Guozhen), 1934- | Shan, W. (Weijuan), 1962-
Material type: TextTextSeries: SerienbezeichnungLecture notes in computer science: 561.Publisher: Berlin ; New York : Springer-Verlag, ©1991Description: 1 online resource (ix, 187 pages) : illustrationsContent type: text Media type: computer Carrier type: online resourceISBN: 9783540466260; 3540466266Other title: Stream ciphersSubject(s): Control theory | Stability | Ciphers | Ciphers | Control theory | Stability | CryptografieGenre/Form: Electronic books. Additional physical formats: Print version:: No titleDDC classification: 652/.8 LOC classification: QA402.3 | .D536 1991Other classification: 54.62 Online resources: Click here to access online
Contents:
Stream ciphers -- The BAA attacks on several classes of stream ciphers -- Measure indexes on the security of stream ciphers -- The stability of linear complexity of sequences -- The period stability of sequences -- Summary and open problems.
Summary: Secure message transmission is of extreme importance in today's information-based society. Stream encryption is a practically important means to this end. This monograph is devoted to a new aspect of stream ciphers, namely the stability theory of stream ciphers, with the purpose of developing bounds on complexity which can form part of the basis for a general theory of data security and of stabilizing stream-cipher systems. The approach adopted in this monograph is new. The topic is treated by introducing measure indexes on the security of stream ciphers, developing lower bounds on these indexes, and establishing connections among them. The treatment involves the stability of boolean functions, the stability of linear complexity of key streams, the period stability of key streams, and the stability of source codes. Misleading ideas about stream ciphers are exposed and new viewpoints presented. The numerous measure indexes and bounds on them that are introduced here, the approach based on spectrum techniques, andthe ten open problems presented will all be useful to the reader concerned with analyzing and designing stream ciphers for securing data.
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Includes bibliographical references (pages 180-187).

Secure message transmission is of extreme importance in today's information-based society. Stream encryption is a practically important means to this end. This monograph is devoted to a new aspect of stream ciphers, namely the stability theory of stream ciphers, with the purpose of developing bounds on complexity which can form part of the basis for a general theory of data security and of stabilizing stream-cipher systems. The approach adopted in this monograph is new. The topic is treated by introducing measure indexes on the security of stream ciphers, developing lower bounds on these indexes, and establishing connections among them. The treatment involves the stability of boolean functions, the stability of linear complexity of key streams, the period stability of key streams, and the stability of source codes. Misleading ideas about stream ciphers are exposed and new viewpoints presented. The numerous measure indexes and bounds on them that are introduced here, the approach based on spectrum techniques, andthe ten open problems presented will all be useful to the reader concerned with analyzing and designing stream ciphers for securing data.

Stream ciphers -- The BAA attacks on several classes of stream ciphers -- Measure indexes on the security of stream ciphers -- The stability of linear complexity of sequences -- The period stability of sequences -- Summary and open problems.

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